Fabrication of Si 3N 4/SiC nanocomposites toughened by in-situ formed low-dimensional nanostructures

Weiyou Yang,Fengmei Gao,Chengying Xu,Guodong Wei,Linan An

doi:10.1016/j.solidstatesciences.2010.07.013

Fabrication of Si 3N 4/SiC nanocomposites toughened by in-situ formed low-dimensional nanostructures

Weiyou Yang, Fengmei Gao + Show 3 more

https://doi.org/10.1016/j.solidstatesciences.2010.07.013

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Journal: Solid State Sciences	Publication Date: Jul 17, 2010
Citations: 6

Affiliation: Ningbo University of Technology, University of Central Florida

#Si 3N #Selective Area Electron Diffraction + Show 8 more

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Abstract

We report the fabrication of Si 3N 4/SiC nano/nano-composite reinforced by single-crystal low-dimensional nanostructures via spark plasma sintering of nanocomposite powders containing in-situ formed Si 3N 4 nanowires/nanobelts. The fabricated nanocomposite is analyzed by scanning electron microscopy, X-ray diffraction, transmission electron microscopy and selective area electron diffraction. The results show that the in-situ formed Si 3N 4 nanowires/nanobelts are uniformly distributed within the matrix. Such a nanocomposite could exhibit improved mechanical properties, due to the superior mechanical properties and uniform distribution of the nano-reinforcements.

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